The practical wisdom of teachers holds the properties of being individual, situational, generative, inexpressive, integrated.

教师实践智慧具有个体性、情境性、成性、缄默性、综合性等特点。

Generative nuclei The two gametic nuclei formed by the division of the generative cell in the pollen tube of angiosperms.

在被子植物花粉管中殖细胞（应为雄原核译者注）分裂成两个配子核。

Founded on the hypercycle theory, this article discusses the basic generative mechanism of complex system, and deduces the key characteristics of generative systems.

文章以超循环理论为基础，讨论了复杂系统成基本制，并由此推出成性系统重要特征。